Class / Patent application number | Description | Number of patent applications / Date published |
074574200 | Damping using swinging masses, e.g., pendulum type, etc. | 46 |
20100122605 | ONE PIECE PENDULUM - A pendulum for a damper, including: a first plate with a first side; a first plurality of through-slots in the first plate including respective first openings at the first side; a second plate with a second side; a second plurality of through-slots in the second plate including respective second openings at the second side; and a plurality of rollers for placement in the first and second plurality of through-slots. Respective portions of the first side reduce a dimension for the first plurality of through-slots at the first openings. Respective portions of the second side reduce a dimension for the second plurality of through-slots at the second openings. The respective portions of the first side are for restraining the rollers in a first direction and the respective portions of the second side are for restraining the rollers in a second direction, opposite the first direction. | 05-20-2010 |
20100199803 | Energy Storage Device - An energy storage device having a variable momentum of inertia uses centrifugal forces acting on movable masses to self adjust its moment of inertia. The adjustment of the moment of inertia occurs without any additional energy input. Energy is stored as rotational kinetic energy and potential elastic and/or gravitational energy. | 08-12-2010 |
20110314957 | VIBRATION DAMPING DEVICE - The invention relates to a vibration damping device in a drive train of a motor vehicle, having an input drive part and an output part that is rotatable to limited extent relative to the input part through the action of at least one energy storage element, there being a pendulum mass carrier situated or formed on the input part and/or the output part, which makes it possible to receive at least one pair of pendulum masses comprising pendulum masses that are situated opposite each other axially on the pendulum mass carrier and are pivotable to a limited extent relative to the latter with the aid of at least one roll-off element, and where the roll-off element, by rolling, passes over a roll-off surface on the pendulum mass carrier and on each of the pendulum masses as the pendulum masses move relative to the pendulum mass carrier, and where the pendulum masses of a pair of pendulum masses have different geometric forms. | 12-29-2011 |
20120055281 | CENTRIFUGAL FORCE PENDULUM - The invention relates to a centrifugal force pendulum ( | 03-08-2012 |
20120255394 | CENTRIFUGAL PENDULUM MECHANISM - The invention relates to a centrifugal pendulum mechanism, having at least one pendulum mass support and at least one pendulum mass arranged thereon, which pendulum mass can be moved to a limited extent radially relative to the pendulum mass support by means of at least one rolling element inside raceways formed by recesses in the pendulum mass support and the pendulum mass and in the circumferential direction, the rolling element having guiding means formed in the gap between the individual pendulum mass and the pendulum mass support. The invention includes means for reducing the gap size between the pendulum mass and the pendulum mass support in an at least spatially limited manner are provided outside the raceways for the rolling element and outside the range of the intermediate space between the pendulum mass and the pendulum mass support that can be converted by the guiding means. | 10-11-2012 |
20120304808 | DYNAMIC DAMPER - A dynamic damper for attenuating torsional vibration of a rotary member irrespective of oscillation angle of a pendulum. | 12-06-2012 |
20120304809 | BALANCER - [Problem to be Solved] | 12-06-2012 |
20130014609 | DYNAMIC DAMPERAANM Tsukano; FusahiroAACI Susono-shiAACO JPAAGP Tsukano; Fusahiro Susono-shi JPAANM Amano; HiroyukiAACI Susono-shiAACO JPAAGP Amano; Hiroyuki Susono-shi JPAANM Suenaga; ShinichiroAACI Susono-shiAACO JPAAGP Suenaga; Shinichiro Susono-shi JPAANM Miyahara; YuAACI Susono-shiAACO JPAAGP Miyahara; Yu Susono-shi JP - A dynamic damper for attenuating torsional vibration of a rotary member, in which a weighted center of a rolling member is offset from a geometric center to trace an elliptical orbit of a cycloid pendulum. The dynamic damper including, a housing having a rolling surface on its inner surface is formed in a rotary member, and a rolling member held in the housing in a manner to be rolled on the rolling surface by torque pulse exerted on the rotary member. In the dynamic damper, a curvature of the rolling surface is entirely constant, and a radius of the rolling member is smaller than that of the rolling surface. A weighted center of the rolling member is offset from a geometric center thereof. The rolling member is guided by a guiding mechanism to roll on the rolling surface. | 01-17-2013 |
20130133476 | CENTRIFUGAL FORCE PENDULUM DEVICE - A centrifugal force pendulum device having pendulum masses that are arranged axially on both sides of a pendulum mass carrier which is rotatable around an axis of rotation and form a pendulum mass pair, the pendulum mass pair being pivotable to a limited degree relative to the pendulum mass carrier along an arc-shaped oscillation path with the aid of at least two rolling elements that are able to roll in a single cutout or in different cutouts in the pendulum mass carrier, the oscillation path having a rotation axis that is stationary relative to the pendulum mass carrier and that is located at a radial distance from the pendulum mass. | 05-30-2013 |
20130228041 | VIBRATION ABSORBER - A system for absorbing vibration in a rotary member having a predetermined rotary speed of the present invention has a selectively moveable mass and a positioning mechanism. The mass is in communication with the rotary member having a predetermined position. The positioning mechanism exerts a force on the mass at least when the rotary member operates below the predetermined rotary speed. The force exerted by the positioning mechanism orients the mass at the predetermined position when the rotary member operates below the predetermined rotary speed. | 09-05-2013 |
20130233124 | CENTRIFUGAL PENDULUM MECHANISM - The invention relates to a centrifugal pendulum mechanism having a pendulum flange and pendulum masses, which are fastened by means of bolts on both sides of the pendulum flange and are guided by means of rollers and can be pivoted slightly relative to the pendulum flange, where at least two pendulum masses are arranged on the pendulum flange so as to be circumferentially adjacent, and one pendulum mass has a lateral surface that faces the adjacent pendulum mass, and the contour of the lateral surface is at a substantially acute angle. | 09-12-2013 |
20130233125 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper for a drivetrain of a motor vehicle having a substantially discoidal centrifugal flange and a plurality of centrifugal pendulum-type absorbers. Each centrifugal pendulum-type absorber includes a first pendulum mass and a second pendulum mass. The first pendulum mass is arranged above a first surface of the pendulum flange, and the second pendulum mass is arranged above a second surface of the pendulum flange. The first pendulum mass and the second pendulum mass are firmly connected to each other by means of at least two spacing bolts in each case. The pendulum flange has a plurality of cutouts in which the spacing bolts are guided. A second spacing bolt of a first centrifugal pendulum-type absorber and a first spacing bolt of a second centrifugal pendulum-type absorber are guided in at least one first cutout. | 09-12-2013 |
20130239745 | CENTRIFUGAL PENDULUM MECHANISM - The invention relates to a centrifugal pendulum mechanism that includes a pendulum flange and pendulum masses which are fastened on both sides of the pendulum flange by means of a spacing bolt accommodated in a curved cutout of the pendulum flange to form a pair of pendulum masses, where the pair of pendulum masses is guided relative to the pendulum flange by means of the at least two rollers and can be pivoted restrictively because of a stop, where the rollers are accommodated in curved guide tracks in the pendulum masses and in complementary curved guide tracks in the pendulum flange and can be rolled, and at least two pairs of pendulum masses are arranged so as to be circumferentially adjacent to each other. | 09-19-2013 |
20130239746 | CENTRIFUGAL PENDULUM - A rotational speed-adaptive centrifugal force pendulum for a shaft that can be rotated about an axis, having a pendulum flange on which at least two axially opposite absorber masses that are connected to each other via a spacing element are arranged. The absorber masses and/or the pendulum flange of the centrifugal force pendulum have at least one cutout in which the spacing element of the absorber mass is guided. The cutout is designed as a curve that deviates from a circle or a circular segment starting from a neutral position, by a radius increase of the cutout in one region starting from the neutral position and by a radius reduction of the cutout in the other region starting from the neutral position. | 09-19-2013 |
20130283965 | MASS BALANCING UNIT - A mass balancing unit having a hollow balancing shaft, at least one balancing weight which is provided on the balancing shaft and at least one roller bearing which has an outer bearing ring and a plurality of roller members. A longitudinal portion of the balancing shaft forms an inner bearing ring, the roller members being received between the outer bearing ring and the longitudinal portion of the balancing shaft. Adjacent to the longitudinal portion, the balancing shaft has at least one recess in order to reduce the rigidity of the longitudinal portion of the balancing shaft in a radial direction. | 10-31-2013 |
20130283966 | CENTRIFUGAL FORCE PENDULUM DEVICE - A centrifugal force oscillating device having oscillating masses that are situated axially on both sides of an oscillating mass carrier rotatable around an axis of rotation and form an oscillating mass pair, where the oscillating masses can be swiveled to a limited extent along an oscillation path opposite the oscillating mass carrier with the help of at least one roll-off element that can be rolled off in cut-outs in both the oscillating mass carrier and the oscillating masses, and where the oscillating masses can be moved to a limited extent axially relative to each other to form the oscillating mass pair, and where the oscillating masses of an oscillating mass pair are movable to a limited extent radially and/or circumferentially relative to each other. | 10-31-2013 |
20130283967 | CENTRIFUGAL PENDULUM MECHANISM - A centrifugal pendulum mechanism, in particular a trapezoidal centrifugal pendulum mechanism, for a damping device and/or a torque transmission device, in particular for a drive train of a motor vehicle, comprising a pendulum mass carrier, which can be rotated about a rotational axis (S) and on which a plurality of pendulum masses or pendulum mass pairs that can be moved relative to the pendulum mass carrier are provided in the circumferential direction, wherein two pendulum masses or pendulum mass pairs directly adjacent in the circumferential direction of the pendulum mass carrier are or can be mechanically coupled to each other by means of a damping element. | 10-31-2013 |
20130305876 | CENTRIFUGAL-FORCE PENDULUM DEVICE - A centrifugal-force pendulum device having a pendulum flange and at least two pendulum masses fastened on both sides of the pendulum flange by means of a spacer bolt received in a cut-out of the pendulum flange to form a pendulum mass pair, wherein the pendulum mass pair is guided and pivoted in a limited manner with respect to the pendulum flange by means of at least two rolling elements, and the rolling elements are received and roll in guide tracks in the pendulum masses and in complementarily shaped guide tracks in the pendulum flange, and wherein the spacer bolt is equipped, in its axial region which reaches through the cut-out in the pendulum flange, with damping means for damping contact of the spacer bolt against the cut-out, and compression of the damping means is limited by contact of a rolling element against the guide track which receives the rolling element. | 11-21-2013 |
20140013899 | CENTRIFUGAL PENDULUM DEVICE - A centrifugal pendulum device having pendulum masses which are arranged axially on both sides of a pendulum mass carrier, which is rotatable about an axis of rotation. The pendulum masses form a pendulum mass pair, where the pendulum masses are connected to one another, to form the pendulum mass pair, by means of at least one fastening element, which is movable in a cutout in the pendulum mass carrier. The pendulum masses are pivotable relative to the pendulum mass carrier along a pendulum raceway by means of at least one rolling element, which can roll in each case one cutout in the pendulum mass carrier and in the pendulum masses. The at least two pendulum masses are arranged circumferentially adjacent to one another. The circumferential end region of one pendulum mass, and/or the fastening element, in a region situated axially within the cutout, and/or the cutout, has a bevel. | 01-16-2014 |
20140026712 | CENTRIFUGAL PENDULUM DEVICE - A centrifugal pendulum device having pendulum masses, which are arranged axially on both sides on a pendulum mass carrier which is rotatable about an axis of rotation, the pendulum masses forming a pendulum mass pair, where the pendulum masses are connected to one another, so as to form the pendulum mass pair, by means of at least one fastening element which is movable in a cutout in the pendulum mass carrier, and the pendulum masses are pivotable to a limited extent relative to the pendulum mass carrier along a pendulum raceway, so as to describe an angle of deflection, by means of at least one rolling element which can roil in in each case one cutout in the pendulum mass carrier and in the pendulum masses. Here, two circumferentially adjacently arranged pendulum masses are arranged radially one above the other at least in sections. | 01-30-2014 |
20140033861 | CLUTCH ARRANGEMENT - A clutch arrangement, in particular for use in the drive train of a motor vehicle, including a flywheel which is arranged on the drive side and is coupled via a spring arrangement to a secondary disk and is part, with said secondary disk, of a two-mass flywheel. The secondary disk has at least one centrifugal force pendulum, and a threaded sleeve is screwed with an outer thread into an inner thread of the secondary disk, and a clutch housing is screwed to an inner thread of the threaded sleeve via a fastener. | 02-06-2014 |
20140047945 | CENTRIFUGAL PENDULUM ABSORBER - A pendulum absorber assembly for a torque converter including a first spring retainer, a second spring retainer, and a floating flange positioned between the first spring retainer and the second spring retainer. The pendulum absorber assembly also includes a drive plate affixed to the floating flange, a plurality of arcuate springs disposed between the second spring retainer and the drive plate, and a plurality of pendulum weights affixed to the second spring retainer, wherein at least one of the pendulum weights is made of tungsten alloy. | 02-20-2014 |
20140083242 | Damping Apparatus for Flywheel - A damping apparatus of a flywheel includes a pair of rotors and a weight. The rotors are provided in the flywheel and rotate along with the flywheel. The rotors receive torsional vibration from an engine through the flywheel, and are configured such that they face each other and are restricted from rotating relative to each other. The weight is provided between the rotors. The weight rotates relative to the rotors in a direction in which the torsional vibration transmitted to the rotors is offset. | 03-27-2014 |
20140090514 | DRIVE SYSTEM FOR A VEHICLE - A drive system for a vehicle includes a drive unit having a drive member rotatable around an axis of rotation (A) and at least one centrifugal mass pendulum unit having a deflection mass carrier and a deflection mass arrangement supported at the deflection mass carrier such that it can be deflected from a basic relative position with respect to the latter by a deflection mass coupling arrangement. A radial distance of the deflection mass arrangement relative to the axis of rotation (A) thereof changes when the deflection mass arrangement is deflected from the basic relative position. | 04-03-2014 |
20140102246 | ROTATING ASSEMBLY INCLUDING A DYNAMIC BALANCING SYSTEM - A rotating assembly includes a shaft having a driven end and a driving end. At least one rotating member coupled to the driven end. A support member is operatively connected to the at least one rotating member. A dynamic balancing system is operatively coupled to the support member. The dynamic balancing system includes a first balancing weight rotatably mounted to the support member. The first balancing weight is operatively connected to a first motor. A second balancing weight is rotatably mounted to the support member. The second balancing weight is operatively connected to a second motor. A controller is operatively connected to the first and second motors. The controller is configured and disposed to signal each of the first and second motors to rotate and to establish a desired position of the first balancing weight and the second balancing weight relative to at least one rotating member. | 04-17-2014 |
20140196568 | PENDULUM-ABSORBER BRAKE - A crankshaft comprising a cheek, a torsion-absorbing pendulum pivotally coupled to the cheek, and a rotational speed actuated brake to oppose motion of the pendulum relative to the cheek. The brake is configured to provide greater opposition to the motion at lower rotational speeds than at higher rotational speeds. | 07-17-2014 |
20140251075 | PENDULUM-OSCILLATOR-TYPE DAMPING SYSTEM COMPRISING AN IMPROVED GUIDING DEVICE - A damping system ( | 09-11-2014 |
20140298952 | DRIVE TRAIN - A drive train including an internal combustion engine having a predefined number of cylinders, and operable in a first engine operating state in which all cylinders are in operation, and a second operating state in which some of the cylinders are not in operation. The drive train has a torsional-vibration damping system with at least one torsional-vibration damper and at least one centrifugal-force pendulum. In order to improve the torsional-vibration behavior of the drive train, a centrifugal-force pendulum and optionally a torsional-vibration damper are adapted to control torsional-vibration behavior of the engine in one operating state, and a torsional-vibration damper and optionally a second centrifugal-force pendulum are adapted to control the torsional-vibration behavior of the engine in the other engine operating state. | 10-09-2014 |
20140305258 | INTERNAL COMBUSTION ENGINE WITH CENTRIFUGAL PENDULUM DEVICE, AND METHOD FOR PRODUCING THE CENTRIFUGAL PENDULUM DEVICE OF SUCH AN INTERNAL COMBUSTION ENGINE - An internal combustion engine with a centrifugal pendulum device having a pendulum mass carrier, a moveable coupling element rotatably coupled to the pendulum mass carrier via a first bearing element, the coupling element forming a continuous piece of material, and two pendulum masses spaced away from one another and rotatably coupled to the coupling element via a second bearing element and a third bearing element. | 10-16-2014 |
20150075320 | PENDULAR DAMPING DEVICE, ESPECIALLY FOR A MOTOR VEHICLE TRANSMISSION - A pendulum damping device for a motor vehicle transmission, having at least one pendulum mass ( | 03-19-2015 |
20150101450 | CENTRIFUGAL FORCE PENDULUM - The invention relates to a centrifugal force pendulum ( | 04-16-2015 |
20150101451 | Torsional Vibration Deletion Means as well as Torsional Vibration Damper for a Vehicle Drive-Line - The invention relates to a torsional vibration absorber, comprising a rotatable support disc and several pendulum masses, which are hinged in an oscillating manner on the support disc in particular and are thereby able to move relative to the support disc along the associated pendulum rails. In order to create a torsional vibration absorber, through which several excitation orders are able to be absorbed with a simultaneously compact structure, the pendulum masses combine at least one pair of pendulum masses, with which the two associated pendulum masses are coupled to each other through at least one intermediate spring element. In addition, the invention relates to a torsional vibration damper, with which at least one aforementioned torsional vibration absorber is applied. | 04-16-2015 |
20150128758 | STRAP MOUNTING FOR PENDULUM DAMPERS - A pendulum damper fixed to a rotating element of an engine comprises a pendulum anchor, a pendulum, and a flexible metal strap attaching the pendulum and pendulum anchor. The strap is wound around the pendulum and pendulum anchor to define a bifilar pendulum. A pendulum clamp is attached to the pendulum such that part of the strap is captured between the pendulum clamp and the pendulum. A pendulum anchor clamp is attached to the pendulum anchor such that a portion of the strap is captured between the pendulum anchor clamp and the pendulum anchor. The pendulum includes a pendulum anchor-facing, flexible strap-supporting cam surface. The pendulum anchor includes a pendulum-facing, flexible strap-supporting cam surface. The surfaces of the pendulum and the pendulum anchor that face each other are mutually conjugant so that at all positions of normal pendulum motion there is only a small running clearance between the two surfaces. | 05-14-2015 |
20150290772 | DYNAMIC BALANCING PROCESS AND DEVICE FOR A ROTATING BODY - Provided is a balancing device for a rotating body defining a rotation axis and including a plurality of balancing heads aligned along the rotation axis, each balancing head including, balancing masses configured to be moved at least along a movement circumference to cancel out the unbalance of the rotating body; at least one motor configured to move said balancing masses independently of each other, the balancing masses belonging to different balancing heads being reciprocally distanced along the rotation axis; and unbalance detectors including a plurality of vibration detectors configured to measure the vibrations caused by the unbalances of the rotating body. | 10-15-2015 |
20150292594 | CENTRIFUGAL PENDULUM DAMPING DEVICE - A centrifugal pendulum damping device includes a support body provided with a pair of first curved tracks and fixed to a rotating shaft, inertial masses provided with a pair of second curved tracks and supported on an outer peripheral part of the support body, and pins rollably fitted in a section where a first and second curved track intersect each other. Since the shapes of the pair of first curved tracks are different from each other and the shapes of the pair of second curved tracks are different from each other, the inertial mass moves rotationally and translationally in the peripheral direction of the support body, which improves damping low frequency vibration performance. Since the inertial mass moves rotationally, it is less likely to extend outside the region of the support body. | 10-15-2015 |
20150316125 | CENTRIFUGAL PENDULUM - A centrifugal pendulum, including a rotation element and a pendulum flange. The pendulum flange is connected to the rotation element by means of a fastening means to transmit torque between the rotation element and the pendulum flange. The fastening means is designed in such a way that for the torque greater than a certain amount, some slip, or relative rotation, occurs between the pendulum flange and the rotation element. | 11-05-2015 |
20150369334 | CENTRIFUGAL FORCE PENDULUM DEVICE - A centrifugal force pendulum device includes a pendulum flange and at least two pendulum masses attached to both sides of the pendulum flange by a spacer element to make a pendulum mass pair. The pendulum mass pair is guided relative to the pendulum flange by a roller element, and is pivotable to a limited extent. Furthermore, the spacer element is equipped with a damper to damp an impact of the spacer element against an adjacent component, where the damper includes a stopper which limits the maximum deflection of the damper upon impact. | 12-24-2015 |
20160116021 | VARIABLE INERTIA FLYWHEEL - A flywheel including a rim having a circular shape, a first hub disposed coaxially within the rim, and at least two spokes having a first end coupled to the rim, and a second end coupled to the first hub. A second hub disposed coaxially with the rim, and having at least one guiding member. The at least one guiding member having a slot. The flywheel includes at least two assemblies corresponding to the at least two spokes, such that one of the at least two assemblies is coupled to one of the at least two spokes. A first weight having at least one protruding member. A spring member disposed adjacent to the first weight, and a support member disposed adjacent to the spring member. A weight assembly including at least one second weight and a mount member. The flywheel including an actuator coupled to the second hub. | 04-28-2016 |
20160146289 | Multi-Cylinder Engine Crankshaft Torsional Vibration Absorber and Balancer and Process Thereof - A crankshaft may comprise a plurality of main journals axially-aligned along a longitudinal axis, a plurality of crankpin journals radially-offset from the longitudinal axis, a first web, of a plurality of webs, coupled to a first main journal of the plurality of main journals and a first crankpin journal of the plurality of crankpin journals, wherein the first crankpin journal is coupled adjacent a first end of the first web, and a first counterweight coupled adjacent a second end of the first web, wherein a configuration of the first counterweight relative to the second end of the first web and the plurality of crankpin journals is spatially tuned and harmonically tuned to at least one harmonic mode of the crankshaft. | 05-26-2016 |
20160153521 | DEVICE FOR DAMPING TORSIONAL OSCILLATIONS | 06-02-2016 |
20160160959 | CENTRIFUGAL-PENDULUM VIBRATION ABSORBING DEVICE - A cushioning member between plate bodies of a mass body and at end portions, in the circumferential direction, so as not to rotate relative to the plate bodies. The peripheral edges, on both sides in the width direction, of the outer peripheral surfaces of the cushioning member's first and second side portions abutting against a support member, along with swing of the mass body, are chamfered, reducing the possibility that the cushioning member enters in a clearance between the side surfaces of the support member and the plate bodies when the cushioning members' first side portion and the support member abut, or when the cushioning member's second side portion and the support member abut, along with swing of the mass body, suppressing damage to the cushioning member. | 06-09-2016 |
20160169321 | Torsional Vibration Damper Assembly With Pre-Tensioning | 06-16-2016 |
20160186835 | Torsional Vibration Damper Assembly With Speed-Dependent Characteristics - A torsional vibration damping arrangement for a drivetrain of a vehicle includes a carrier arrangement that is rotatable around an axis of rotation, a deflection mass movable in a circumferential direction relative to the carrier arrangement, and at least one radially extending, elastically deformable restoring element by which the carrier arrangement and the deflection mass are coupled to be rotatable relative to one another. A supporting element is associated with the restoring element and movable radially relative to the restoring element by which the restoring element is supported in circumferential direction with respect to the carrier arrangement at a radial position of the supporting element. A stiffness of the coupling between the carrier arrangement and the deflection mass which is brought about in circumferential direction by the restoring element has an abrupt course at at least one radial position of the supporting element. | 06-30-2016 |
20160195158 | CENTRIFUGAL PENDULUM DEVICE, AND DRIVE TRAIN OF A MOTOR VEHICLE | 07-07-2016 |
20160195159 | CENTRIFUGAL-PENDULUM VIBRATION ABSORBING DEVICE | 07-07-2016 |
20160195164 | DEVICE FOR DAMPING TORSION OSCILLATIONS, NOTABLY FOR A MOTOR VEHICLE TRANSMISSION SYSTEM | 07-07-2016 |